mission to reproduce these, and a number of other portraits, I am indebted to the kindness of Earl Waldegrave, who allowed them to be specially photographed for the purpose from the originals at Chewton Priory. Tor the remaining portraits, other than those belonging to public collections, I am indebted to the courtesy of various private owners, whose names appear in the lists of portraits prefixed to each volume.
The three facsimiles of Horace Walpole's handwriting are from letters to Charles Lyttelton, Madame du Deffand, and Mrs. Dickenson, kindly lent by Viscount Cobham, Mr. W. E. Parker-Jervis, and Sir William Anson, respectively.
It remains for me to express my acknowledgements to the many friends and correspondents, in England and America, who have supplied me with original letters, or with copies, in response to my appeals, or from whom I have received assistance of one kind or another.
My special thanks are due, in the first place, to Lord Waldegrave, who generously placed at my disposal at Chewton Priory the whole of his unrivalled collection of Walpole MSS., among which, as already mentioned, are Horace Walpole's own transcripts of his letters to Mann, more than 800 in number; to the late Sir Thomas Villiers Lister, for the loan of the originals of the letters to Miss Mary and Miss Agnes Berry; and to Mr. W. R Parker-Jervis, for the loan of the MSS. bequeathed to Horace Walpole by Madame du Deffand, which include the letters to Walpole's various French correspondents referred to above.
I am also indebted to Lord Cobham, for the loan of nine letters to Charles Lyttelton; to Mr. Arthur H. Frere, for the loan of eight letters to Sir John and Lady Fenn; to Miss
Drage, for the loan of five letters to Hannah More; to